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3 Fe3O4 + 8 X = 4 X2O3 + 9 Fe
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Pb(NO3)2 = PbO2 + N2O2 + O2 =>
Pb(NO3)2 = PbO2 + N2O2 + O2
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
HNO3 + I2 = HIO3 + NO + H20 =>
60 HNO3 + 20 I2 = 40 HIO3 + 60 NO + H20
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
I2 + HNO3 = HIO3 + NO + H2O =>
3 I2 + 10 HNO3 = 6 HIO3 + 10 NO + 2 H2O
CoCl2*6H2O + FeCl3*6H2O + NaOH = CoFe2O4 + NaCl + H2O =>
CoCl2*6H2O + 2 FeCl3*6H2O + 8 NaOH = CoFe2O4 + 8 NaCl + 22 H2O
AgNO3 + Ni = Ni(NO3)2 + Ag =>
2 AgNO3 + Ni = Ni(NO3)2 + 2 Ag
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + NaCl(aq) =>
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaCl(aq)
FeSO4 + KOH = K2SO4 + Fe(OH)2 =>
FeSO4 + 2 KOH = K2SO4 + Fe(OH)2
V2S5 = V + S =>
V2S5 = 2 V + 5 S
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
AgCl = Ag + Cl2 =>
2 AgCl = 2 Ag + Cl2
Al(s) + F2(g) = AlF2 =>
Al(s) + F2(g) = AlF2
LiHSO4 + LiOH = Li2SO4 + H2O =>
LiHSO4 + LiOH = Li2SO4 + H2O
P4010 + H20 = H3P04 =>
8 P4010 + 1203 H20 = 8020 H3P04
KNO2 + KMnO4 + H2SO4 = KNO3 + K2SO4 + MnSO4 + H2O =>
5 KNO2 + 2 KMnO4 + 3 H2SO4 = 5 KNO3 + K2SO4 + 2 MnSO4 + 3 H2O
CrO + H2O = Cr(OH)2 =>
CrO + H2O = Cr(OH)2
K2CrO4 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl3 + H2O =>
2 K2CrO4 + 3 Na2SO3 + 10 HCl = 4 KCl + 3 Na2SO4 + 2 CrCl3 + 5 H2O
Al(s) + O2 = AlO =>
2 Al(s) + O2 = 2 AlO
Li2SO3 + O2 = Li2SO4 =>
2 Li2SO3 + O2 = 2 Li2SO4
Na2SO3 + K2Cr2O7 + HCl = Na2SO4 + KCl + CrCl3 + H2O =>
3 Na2SO3 + K2Cr2O7 + 8 HCl = 3 Na2SO4 + 2 KCl + 2 CrCl3 + 4 H2O
PCl3 + Cl2 = PCl5 =>
PCl3 + Cl2 = PCl5
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C3H8HCl = C3H7Cl + H2 =>
C3H8HCl = C3H7Cl + H2
Na3PO4 + Mg(NO3)2 = Mg3(PO4)2 + NaNO3 =>
2 Na3PO4 + 3 Mg(NO3)2 = Mg3(PO4)2 + 6 NaNO3
C3H8 + HCl = C3H7Cl + H2 =>
C3H8 + HCl = C3H7Cl + H2
Bi2S3 + HCl = BiCl3 + H2S =>
Bi2S3 + 6 HCl = 2 BiCl3 + 3 H2S
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Na + HCl = NaCl + H2 =>
2 Na + 2 HCl = 2 NaCl + H2
Mg(NO3)2 + SnCl2 = MgCl2 + Sn(NO3)2 =>
Mg(NO3)2 + SnCl2 = MgCl2 + Sn(NO3)2
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
H3PO4 + NH3 = ((NH4)3PO4) =>
H3PO4 + 3 NH3 = ((NH4)3PO4)
Mg(NO3)2 + SnCl2 = MgCl2 + Sn(NO3)2 =>
Mg(NO3)2 + SnCl2 = MgCl2 + Sn(NO3)2
CaCl2(aq) + Na3PO4(aq) = Ca3(PO4)2(s) + NaCl(aq) =>
3 CaCl2(aq) + 2 Na3PO4(aq) = Ca3(PO4)2(s) + 6 NaCl(aq)
Mg(NO3)2 + SnCl2 = MgCl2 + Sn(NO3)2 =>
Mg(NO3)2 + SnCl2 = MgCl2 + Sn(NO3)2
CAO + H2O = CA(OH)2 =>
CAO + H2O = CA(OH)2
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
N2H4(l) = NH3(g) + N2(g) =>
3 N2H4(l) = 4 NH3(g) + N2(g)
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C7H17 + O2 = CO2 + H2O =>
4 C7H17 + 45 O2 = 28 CO2 + 34 H2O
HClO3(aq) + H2O(l) = H3O + ClO3 =>
HClO3(aq) + H2O(l) = H3O + ClO3
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
Al + SO4 = Al2(SO4)3 =>
2 Al + 3 SO4 = Al2(SO4)3
Cu(s) + HCl(aq) = CuCl2(aq) + H2 =>
Cu(s) + 2 HCl(aq) = CuCl2(aq) + H2
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